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Voice Smoke Detector
HT45F24A
Characteristics
Sensor : Optical Cavity Maze
Operating voltage : 3V
Operating current
◆
Standby current (Typ.) : 2.8µA
◆
Standby current (Max.) : 4.83µA
Alarm operating current : < 35mA
Low voltage voice alarm : 2.7V
Adjustable volume using software : Voice alarm
‒
volume up to 85db / 3m
Detector sensitivity : Meets UL 217 Standard, when the smoke particle
concentration value reaches 3.2% per foot, the detecor will react
Operating temperature : -10°C ~ 50°C
PA2
Programming Pin
Second Stage
OPA Output
HT45F24A
IR Transmit
Synchronisation Signal
Programming Pins Starting
from top : VDD RESB PA0 GND